CN112197731B - Inner diameter detection assembly - Google Patents
Inner diameter detection assembly Download PDFInfo
- Publication number
- CN112197731B CN112197731B CN202011367351.8A CN202011367351A CN112197731B CN 112197731 B CN112197731 B CN 112197731B CN 202011367351 A CN202011367351 A CN 202011367351A CN 112197731 B CN112197731 B CN 112197731B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- inner diameter
- distance sensor
- mounting groove
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides an inner diameter detection assembly for detecting the inner diameter of a columnar part, which comprises a rod-shaped distance sensor, a sleeve, a gas injection device and a first driving device, wherein the lower end of the distance sensor is provided with a detection head, the sleeve is sleeved at one end, provided with the detection head, of the distance sensor, the gas injection device is connected with the sleeve to supply gas to the sleeve, the first driving device is used for driving the distance sensor and the sleeve to move up and down, the bottom of the distance sensor and the bottom of the sleeve are arranged at intervals, the lower end, located at the distance sensor, of the sleeve is uniformly provided with at least one circle of gas outlets, the side wall of the sleeve is provided with detection ports with the same height as the detection head, and the axis of the distance sensor. The inner diameter detection assembly has the advantages of high detection precision, improved accuracy, long service life, improved detection efficiency and relatively low requirement on environment.
Description
Technical Field
The invention relates to an inner diameter detection assembly.
Background
The prior art has the following disadvantages: the inner diameter is detected mainly by the prior art to meet the qualification requirement, and the detection precision is not high. The measuring efficiency of measuring modes such as a plug gauge and a micrometer taking the inner diameter as a reference is low, and a measuring head is easy to wear and lose the originally low detection precision; the accuracy of the measurement method using non-inner diameter reference positioning such as optical image is not high. In summary, the prior art lacks a method that guarantees both the accuracy and the efficiency of the detection.
Accordingly, there is a need for an improved inner diameter inspection assembly to solve the above problems.
Disclosure of Invention
The invention aims to provide an inner diameter detection assembly, which aims to solve the problems of low inner diameter detection precision and low efficiency in the existing method.
In order to achieve the above object, the present invention provides an inner diameter detection assembly for detecting an inner diameter of a cylindrical part, the inner diameter detection assembly includes a rod-shaped distance sensor having a detection head at a lower end thereof, a sleeve sleeved on the distance sensor and having one end with the detection head, a gas injection device connected to the sleeve for supplying gas into the sleeve, a first driving device, a connecting device for connecting the first driving device to the distance sensor, and a vertical rod, wherein a bottom of the distance sensor and a bottom of the sleeve are spaced apart from each other, the sleeve is provided at a lower end of the distance sensor with at least one circle of gas outlets, a side wall of the sleeve is provided with detection ports having a height equal to that of the detection head, an axis of the distance sensor and an axis of the sleeve are spaced apart from each other, and the connecting device includes a cylindrical upper connecting portion, a lower connecting portion inserted in the upper connecting portion, and a, The elastic piece is abutted to the upper connecting portion and the lower connecting portion, a pivot shaft protruding outwards in the radial direction is arranged at the upper end of the lower connecting portion, a pivot hole for protruding the pivot shaft is formed in the upper connecting portion, the diameter of the lower connecting portion is smaller than that of the upper connecting portion, the vertical rod is fixedly connected with the upper connecting portion, the lower connecting portion is fixedly connected with the distance sensor, the first driving device comprises a first driving motor, a first conveying belt connected with the first driving motor and extending in the vertical direction, a first fixedly connected conveying belt and a connecting plate of the vertical rod, and the first driving motor drives the first conveying belt to drive the vertical rod to move up and down.
As a further improvement of the present invention, the first driving device further includes a height sensor for detecting a height of the connection plate.
As a further improvement of the invention, the inner diameter detection assembly further comprises a second driving device and a sleeve shaft sleeved on the vertical rod, the second driving device comprises a second driving motor and a second transmission belt connected with the second driving motor, and the second transmission belt is connected with the sleeve shaft along the axial direction to drive the vertical rod and the connecting device to rotate.
As a further improvement of the present invention, a first mounting groove extending upward from the pivot hole, a second mounting groove connected to a top of the first mounting groove and extending in a horizontal direction, and a third mounting groove extending downward from an end of the second mounting groove far away from the first mounting groove are provided on the upper connecting portion, and the pivot shaft slides from the third mounting groove to the pivot hole through the second mounting groove and from the first mounting groove.
As a further improvement of the invention, the inner diameter detection assembly further comprises a clamping device for clamping the columnar part, and the clamping device is arranged below the sleeve.
As a further improvement of the invention, the clamping device comprises two clamping heads clamped with the columnar part, fixed clamping plates arranged at two opposite sides of the two clamping heads, a spring arranged between the clamping heads and the fixed clamping plates, and a driving part used for controlling the clamping heads to be away from each other.
As a further improvement of the invention, the inner diameter detection assembly further comprises a cut-off device, the cut-off device comprises a driving cylinder and a cut-off plate, the clamping heads are provided with openings facing the cut-off device so that the columnar parts can enter between the clamping heads, the cut-off plate abuts against the clamping heads, and the driving cylinder is used for driving the cut-off plate to approach or leave the clamping heads.
The invention has the beneficial effects that: according to the inner diameter detection assembly, the distance sensor, the sleeve and the gas injection device are arranged, so that the inner diameter of the columnar part is detected, the detection precision is high, and the columnar part is not easy to wear. The inner diameter detection assembly has the advantages of high detection precision, improved accuracy, long service life, improved detection efficiency and relatively low requirement on environment.
Drawings
FIG. 1 is a schematic view of an inner diameter gauge;
FIG. 2 is a schematic structural view of the inner diameter detection assembly of the present invention;
FIG. 3 is a schematic view of a portion of the inner diameter detection assembly of the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIG. 5 is a schematic view of the structure of the distance sensor, the sleeve and the gas injection apparatus of the inner diameter detection assembly of the present invention;
FIG. 6 is a schematic view of the construction of the sleeve of the inner diameter detection assembly of the present invention;
FIG. 7 is a schematic cross-sectional view A-A of FIG. 6;
FIG. 8 is a schematic view of the connection device of the inner diameter detection assembly of the present invention;
FIG. 9 is a schematic view of a cut-off device of the inner diameter detection assembly of the present invention;
FIG. 10 is a schematic view of the clamping device of the inner diameter detection assembly of the present invention;
FIG. 11 is a schematic view of the feed assembly of the inner diameter gauge;
fig. 12 is a schematic view of the structure of the sorting assembly of the inner diameter detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 12, an inner diameter detecting apparatus 100 for detecting an inner diameter of a cylindrical part includes an inner diameter detecting assembly 1, a feeding assembly 2 for feeding the cylindrical part to the inner diameter detecting assembly 1, and a sorting assembly 3 for receiving the detected cylindrical part according to the present invention.
As shown in fig. 2 to 10, the inner diameter detecting assembly 1 includes a distance sensor 11 having a rod shape and a detecting head at a lower end thereof, a sleeve 12 sleeved on the distance sensor 11 and having a detecting head end, an air injection device 13 connected to the sleeve 12 for supplying air into the sleeve 12, a first driving device 14 for driving the distance sensor 11 and the sleeve 12 to move up and down, a connecting device 15 for connecting the first driving device 14 to the distance sensor 11, a support frame 16 for supporting the first driving device 14, a vertical rod 17, a second driving device 18, a sleeve shaft 183 sleeved on the vertical rod 17, a clamping device 20 for clamping a columnar part, a cut-off device 19 for separating the columnar part from the feeding device 2, and a photoelectric sensor 184 for detecting a position of the columnar part on the feeding device.
As shown in fig. 5 to 7, the bottom of the distance sensor 11 and the bottom of the sleeve 12 are arranged at an interval, at least one circle of air outlets 121 are uniformly formed in the side wall of the sleeve 12 at the lower end of the distance sensor 11, a detection port 122 equal to the height of the detection head is formed in the side wall of the sleeve 12, and the axis of the distance sensor 11 and the axis of the sleeve 12 are arranged at an interval.
The diameter of the sleeve 12 is smaller than the inner diameter of the columnar part so as to protrude into the columnar part, the gas injection device 13 injects gas into the sleeve 12, the injected gas is discharged from the gas outlet 121, and the gas outlet 121 is uniformly distributed, so that the gas is uniformly discharged from the sleeve 12, and the distance from the periphery of the sleeve 12 to the inner wall of the columnar part is equal. By the arrangement, the sleeve 12 cannot contact the columnar part, the columnar part cannot be damaged, the sleeve 12 cannot be worn, the detection precision is high, and the service life of the inner diameter detector 100 is long.
The distance sensor 11 detects the distance from the detection port 122 to the inner wall of the columnar component. In this embodiment, the distance sensor 11 is a high-precision optical sensor, the detection precision is 10nm level, the axis of the distance sensor 11 is disposed on one side of the axis of the sleeve 12 away from the detection port 122, the detection light of the distance sensor 11 passes through the axis of the sleeve 12, and the radius of the columnar part is the difference value obtained by subtracting the distance between the axes from the detection distance.
As shown in fig. 8, the connecting device 15 includes a cylindrical upper connecting portion 151, a lower connecting portion 152 inserted into the upper connecting portion 151, and an elastic member 153 abutting against the upper connecting portion 151 and the lower connecting portion 152. The vertical rod 17 is fixedly connected to the upper connecting portion 151, and the lower connecting portion 152 is fixedly connected to the distance sensor 11.
The upper end of the lower connecting portion 152 is provided with a pivot shaft 155 protruding outward in the radial direction, the upper connecting portion 151 is provided with a pivot hole 154 through which the pivot shaft 155 protrudes, and the diameter of the lower connecting portion 152 is smaller than that of the upper connecting portion 151. In this embodiment, the upper connection portion 151 is provided with a first mounting groove 156 extending upward from the pivot hole 154, a second mounting groove 157 connected to the top of the first mounting groove 156 and extending along the horizontal direction, and a third mounting groove 158 extending downward from an end of the second mounting groove 157 far away from the first mounting groove 156, wherein the third mounting groove 158 extends to the bottom end of the upper connection portion 151, and the pivot shaft 155 slides from the third mounting groove 158 through the second mounting groove 157 and from the first mounting groove 156 to the pivot hole 154. In this embodiment, the lower connecting portion 152 can realize radial micro-displacement relative to the upper connecting portion 151 by providing the pivot hole 154 and the pivot shaft 155, and the distance between the sleeve 12 and the inner wall of the cylindrical part is automatically adjusted by exhausting air through the air outlet 121, so that the center of the circle of the sleeve 12 is concentric with the inner wall of the cylindrical part.
The first driving device 14 is fixed on the supporting frame 16, the first driving device 14 includes a first driving motor 141, a first conveyor belt 142 connected to the first driving motor 141 and extending in a vertical direction, a connecting plate 143 fixedly connected to the first conveyor belt 142 and the vertical rod 17, and a height sensor 144 for detecting a height of the connecting plate 143, the first driving motor 141 drives the first conveyor belt 142 to drive the vertical rod 17 to move up and down, so as to drive the distance sensor 11 and the sleeve 12 to move up and down. The height sensor 144 detects the height of the connecting plate 143, thereby determining whether the sleeve 12 is located in the columnar component.
The second driving device 18 comprises a second driving motor 181 and a second conveying belt 182 connected with the second driving motor 181, the second conveying belt 182 is connected with the sleeve shaft 183 along the axial direction to drive the vertical rod 17 and the connecting device 15 rotates, so that the sleeve 12 and the distance sensor 11 rotate, the distance sensor 11 can detect the distance from the side wall of the columnar part in each direction, and the detection accuracy is improved.
As shown in fig. 10, the clamping device 20 is disposed below the sleeve 12 and is used for clamping the cylindrical part so that the distance sensor 11 and the sleeve 12 can detect the inner diameter of the cylindrical part. The clamping device 20 comprises two clamping heads 201 clamped with the columnar parts, two fixed clamping plates 202 arranged on two opposite sides of the clamping heads 201, two springs 203 arranged between the clamping heads 201 and the fixed clamping plates 202, and a driving piece 204 used for controlling the clamping heads 201 to be away from each other, wherein the shapes formed between the clamping heads 201 are matched with the columnar parts, and the clamping heads 201 can be replaced according to different columnar parts.
The clamping heads 201 are clamped and fixed on the columnar part under the action of the springs 203 for detection, and the driving member 204 can control the clamping heads 201 to move away from each other against the spring force of the springs 203 so as to enlarge the distance between the two clamping heads 201, so that the clamping device 20 loosens the columnar part.
In this embodiment, other structures of the inner diameter detection assembly 1 are fixed on the support frame 16.
As shown in fig. 9, the cut-off device 19 includes a driving cylinder 191 and a cut-off plate 192, the clamping head 201 has an opening facing the cut-off device 19 for the cylindrical part to enter between the clamping heads 201, the cut-off plate 192 abuts against the clamping heads 201, the driving cylinder 191 is used for driving the cut-off plate 192 to approach or separate from the clamping heads 201, and when the cut-off plate 192 approaches the clamping heads 201, the cylindrical part can be pressed into between the clamping heads 201 through the opening.
The photoelectric sensor 184 is used for detecting the position of the columnar part on the feeding assembly 2 so as to control the operation of the cut-off device 19.
As shown in fig. 11, the feeding unit 2 includes a vibration plate 21, a linear guide 22 connected to the vibration plate 21, and a linear feeder 23 disposed under the linear guide 22.
The linear guide 22 is provided with a T-shaped groove for limiting a columnar part, and the T-shaped groove limits that the columnar part can only move along the direction of the linear guide 22 and cannot incline left and right.
A notch 24 is formed in one side wall of one end, away from the vibration disc 21, of the linear guide 22, in this embodiment, the cut-off plate 192 is a right triangle, the shape of the notch 24 is matched with the shape of the cut-off plate 192, that is, the notch is obliquely arranged along a direction perpendicular to the linear guide 22 so as to be the same as the oblique side inclination angle of the cut-off plate 192, and the cut-off plate 192 enters from the notch 24 to extrude a columnar part to the clamping head 201.
As shown in fig. 12, the sorting assembly 3 includes a collecting tray 31, a divider 32 for rotating the collecting tray 31, a partition plate 33 for dividing the collecting tray 31 into a plurality of collecting areas 35, and a holder 34 for holding the collecting tray 31.
The collecting tray 31 is arranged below the sleeve 12.
The material collecting area 35 is distributed at intervals along the circumferential direction, and the axis of the material collecting disc 31 and the axis of the sleeve 12 are arranged at intervals. In this embodiment, the material collecting tray 31 can be divided into a plurality of material collecting areas 35 according to the required accuracy, and after the cylindrical parts with the sizes are detected, the divider 32 rotates the material collecting tray 31 to move the corresponding material collecting areas 35 to the lower side of the clamping device 20 to receive the cylindrical parts.
According to the inner diameter detector 100 and the inner diameter detection assembly 1, the distance sensor 11, the sleeve 12 and the gas injection device 13 are arranged, so that the inner diameter of the columnar part can be detected, the detection precision is high, and the columnar part is not easy to wear; through setting up letter sorting subassembly 3, realize the grouping to the column part of different internal diameters. The inner diameter detector 100 and the inner diameter detection assembly 1 have the advantages of high detection precision, improved accuracy, long service life, improved detection efficiency and relatively low environmental requirement.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides an internal diameter detection subassembly for detect the internal diameter of column part, its characterized in that: the inner diameter detection assembly comprises a rod-shaped distance sensor, a sleeve, a gas injection device, a first driving device, a connecting device and a vertical rod, wherein the distance sensor is provided with one end of the detection head, the gas injection device is connected with the sleeve to supply gas into the sleeve, the connecting device is used for connecting the first driving device with the distance sensor, the vertical rod is sleeved on the distance sensor, the bottom of the distance sensor is arranged at intervals with the bottom of the sleeve, the sleeve is positioned at the lower end of the distance sensor and is uniformly provided with at least one circle of gas outlets, the side wall of the sleeve is provided with a detection port with the same height as the detection head, the axis of the distance sensor is arranged at intervals with the axis of the sleeve, the connecting device comprises an upper connecting part, a lower connecting part and an elastic part, the upper connecting part is inserted into the upper connecting part, the elastic part is supported on the upper connecting part and the lower connecting part, go up the connecting portion and be equipped with the confession the outstanding pivot hole of pivotal axis, the diameter of lower connecting portion is less than go up the diameter of connecting portion, the montant with go up connecting portion fixed connection, lower connecting portion with distance sensor fixed connection, first drive arrangement include first driving motor, with first drive belt, the first conveyer belt of fixed connection and the connecting plate of montant that just extend along vertical direction that first driving motor is connected, first driving motor drives first conveyer belt transmission is in order to drive the montant up-and-down motion.
2. The inner diameter detection assembly of claim 1, wherein: the first driving device further includes a height sensor for detecting a height of the connection plate.
3. The inner diameter detection assembly of claim 1, wherein: the inner diameter detection assembly further comprises a second driving device and a sleeve shaft sleeved on the vertical rod, the second driving device comprises a second driving motor and a second driving belt connected with the second driving motor, and the second driving belt is connected with the sleeve shaft along the axial direction to drive the vertical rod and the connecting device to rotate.
4. The inner diameter detection assembly of claim 1, wherein: the upper connecting portion is provided with a first mounting groove extending upwards from the pivot hole, a second mounting groove connected to the top of the first mounting groove and extending along the horizontal direction, and a third mounting groove extending downwards from one end of the second mounting groove far away from the first mounting groove, and the pivot shaft slides from the third mounting groove to the pivot hole through the second mounting groove and the first mounting groove.
5. The inner diameter detection assembly of claim 1, wherein: the inner diameter detection assembly further comprises a clamping device used for clamping the columnar part, and the clamping device is arranged below the sleeve.
6. The inner diameter detection assembly of claim 5, wherein: the clamping device comprises two clamping heads clamped with the columnar parts, two fixed clamping plates arranged on two opposite sides of the clamping heads, a spring arranged between the clamping heads and the fixed clamping plates, and a driving piece used for controlling the clamping heads to be away from each other.
7. The inner diameter detection assembly of claim 6, wherein: the inner diameter detection subassembly still includes cuts the device, cut the device including driving actuating cylinder and cutting the board, the holding head has the opening that the orientation cut the device and gets into for the column part between the holding head, cut the board with the holding head supports and holds, drive actuating cylinder is used for the drive cut the board and be close to or keep away from the holding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367351.8A CN112197731B (en) | 2020-11-30 | 2020-11-30 | Inner diameter detection assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367351.8A CN112197731B (en) | 2020-11-30 | 2020-11-30 | Inner diameter detection assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112197731A CN112197731A (en) | 2021-01-08 |
| CN112197731B true CN112197731B (en) | 2021-03-02 |
Family
ID=74034475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011367351.8A Active CN112197731B (en) | 2020-11-30 | 2020-11-30 | Inner diameter detection assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112197731B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124809A (en) * | 2021-03-31 | 2021-07-16 | 大连海事大学 | Automatic measuring device for cylinder diameter of power device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229639A (en) * | 1996-02-26 | 1997-09-05 | Mitsubishi Heavy Ind Ltd | Automatic hole diameter measuring device |
| JP2016109578A (en) * | 2014-12-08 | 2016-06-20 | 株式会社日本製鋼所 | Displacement detector |
| CN106892257B (en) * | 2017-04-27 | 2023-01-31 | 嘉兴晟友机械科技有限公司 | Automatic feeding device in shaft detection equipment |
| CN108286933A (en) * | 2018-05-03 | 2018-07-17 | 许志政 | A kind of displacement sensor protector |
| CN209263930U (en) * | 2019-01-16 | 2019-08-16 | 五羊—本田摩托（广州）有限公司 | A kind of cylinder diameter processing detection device |
| CN211205139U (en) * | 2019-10-31 | 2020-08-07 | 无锡市美泰克精密机械有限公司 | Detection device for detecting inner diameter of valve sleeve |
-
2020
- 2020-11-30 CN CN202011367351.8A patent/CN112197731B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112197731A (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112197731B (en) | Inner diameter detection assembly | |
| CN210741291U (en) | Radial circle of axle type part detection device that beats | |
| CN108672313A (en) | Bolt automatic detecting machine | |
| CN112197732B (en) | Inner diameter detector | |
| CN111940312B (en) | Gasket sheet thickness detection device and detection equipment | |
| CN108453485B (en) | mechanism for grabbing and assembling magnetic ring magnetic sheets of Hall element | |
| JP2021126884A (en) | Scribe head and scribe device | |
| CN116833110A (en) | Aperture check out test set | |
| CN113070652A (en) | Full-automatic assembly device of thermos cup body and bottom of cup | |
| CN111307081A (en) | Bearing ring detection device | |
| CN110631529A (en) | Step height detection mechanism | |
| CN109163692A (en) | A kind of automobile precision parts detection machine | |
| CN210022879U (en) | Bolt straightness accuracy sieve separator feed assembly | |
| CN210703576U (en) | Lithium battery cap cutting and detecting integrated device | |
| CN210862534U (en) | Sterile xiLin bottle plug gap on-line measuring device | |
| CN220050741U (en) | Automatic capillary tube assembling device | |
| CN216966913U (en) | Gear mounting device of motor output shaft | |
| CN219446153U (en) | Surplus detection mechanism of 3D printer and 3D printer | |
| CN213612700U (en) | Gasket sheet thickness detection device, rotary disc type and linear gasket sheet detection equipment | |
| CN108458629B (en) | Device for weighing finished bullet or bullet | |
| CN215432384U (en) | Positioning device and loading equipment comprising same | |
| CN111256602A (en) | Piston ring-inlaying detection system | |
| CN213735803U (en) | Discharging structure of filter element suction head | |
| US20020043635A1 (en) | Workpiece inspecting device | |
| CN219890428U (en) | Auxiliary detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |